@Override
public void saveToDB() {
// Make the room persistent
MUCPersistenceManager.saveToDB(this);
if (!savedToDB) {
// Set that the room is now in the DB
savedToDB = true;
// Notify other cluster nodes that the room is now in DB
CacheFactory.doClusterTask(new RoomUpdatedEvent(this));
// Save the existing room owners to the DB